src/test/ui/consts/const-int-wrapping-rpass.rs

   1 // run-pass
   2
   3 const ADD_A: u32 = 200u32.wrapping_add(55);
   4 const ADD_B: u32 = 200u32.wrapping_add(u32::MAX);
   5
   6 const SUB_A: u32 = 100u32.wrapping_sub(100);
   7 const SUB_B: u32 = 100u32.wrapping_sub(u32::MAX);
   8
   9 const MUL_A: u8 = 10u8.wrapping_mul(12);
  10 const MUL_B: u8 = 25u8.wrapping_mul(12);
  11
  12 const SHL_A: u32 = 1u32.wrapping_shl(7);
  13 const SHL_B: u32 = 1u32.wrapping_shl(128);
  14
  15 const SHR_A: u32 = 128u32.wrapping_shr(7);
  16 const SHR_B: u32 = 128u32.wrapping_shr(128);
  17
  18 const NEG_A: u32 = 5u32.wrapping_neg();
  19 const NEG_B: u32 = 1234567890u32.wrapping_neg();
  20
  21 const ABS_POS: i32 = 10i32.wrapping_abs();
  22 const ABS_NEG: i32 = (-10i32).wrapping_abs();
  23 const ABS_MIN: i32 = i32::MIN.wrapping_abs();
  24
  25 fn main() {
  26     assert_eq!(ADD_A, 255);
  27     assert_eq!(ADD_B, 199);
  28
  29     assert_eq!(SUB_A, 0);
  30     assert_eq!(SUB_B, 101);
  31
  32     assert_eq!(MUL_A, 120);
  33     assert_eq!(MUL_B, 44);
  34
  35     assert_eq!(SHL_A, 128);
  36     assert_eq!(SHL_B, 1);
  37
  38     assert_eq!(SHR_A, 1);
  39     assert_eq!(SHR_B, 128);
  40
  41     assert_eq!(NEG_A, 4294967291);
  42     assert_eq!(NEG_B, 3060399406);
  43
  44     assert_eq!(ABS_POS, 10);
  45     assert_eq!(ABS_NEG, 10);
  46     assert_eq!(ABS_MIN, i32::MIN);
  47 }